<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>淘宝轮播图</title>
    <style>
        *{
            margin: 0;
            padding: 0;
        }
        a{
            text-decoration: none;
        }
        ul{
            list-style: none;
        }
        .box{
            margin: 100px auto;
            width: 520px;
            height: 280px;
            background-color: red;
            position: relative;
        }
        .arr-l{
            position: absolute;
            width: 20px;
            height: 30px;
            line-height: 30px;
            color: rgb(255, 255, 255);
            background-color: rgba(0, 0, 0, 0.2);
            left: 0;
            top: 50%;
            margin-top: -15px;
            border-top-right-radius: 20px;
            border-bottom-right-radius: 20px;
        }
        .arr-l:hover{
            background-color: rgba(0, 0, 0, 0.6);
        }
        .arr-r{
            position: absolute;
            width: 20px;
            height: 30px;
            line-height: 30px;
            text-align: right;
            color: rgb(255, 255, 255);
            background-color: rgba(0, 0, 0, 0.2);
            right: 0;
            top: 50%;
            margin-top: -15px;
            border-top-left-radius: 20px;
            border-bottom-left-radius: 20px;
        }
        .arr-r:hover{
            background-color: rgba(0, 0, 0, 0.6);
        }
        .circle{
            position: absolute;
            width: 90px;
            border-radius: 20px;
            margin-left: -45px;
            left: 50%;
            bottom: 15px;
            background-color: rgba(255, 255, 255, 0.3);
        }
        .circle li{
            display: inline-block;
            width: 8px;
            height: 8px;
            margin: 3px;
            background-color: orange;
            border-radius: 50%;
        }
    </style>
</head>
<body>
    <div class="box">
        <a href="#" class="arr-l"> &lt; </a>
        <a href="#" class="arr-r"> &gt; </a>
        <img src="img/taobao.jpg" alt="">
        <ul class="circle">
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
        </ul>
    </div>
</body>
</html>